From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D2A413858410; Mon, 17 Jan 2022 09:21:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D2A413858410 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/104062] New: [12 Regression] ICE in get_or_create_cast, at analyzer/region-model-manager.cc:482 Date: Mon, 17 Jan 2022 09:21:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: dmalcolm at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2022 09:21:00 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104062 Bug ID: 104062 Summary: [12 Regression] ICE in get_or_create_cast, at analyzer/region-model-manager.cc:482 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc 12.0.0 20220116 snapshot (g:90045c5df5b3c8853e7740fb72a11aead1c489bb) I= CEs when compiling the following testcase, reduced from test/Analysis/malloc-sizeof.c from the clang 13.0.0 test suite, w/ -fanalyz= er: void * calloc (__SIZE_TYPE__, __SIZE_TYPE__); void * realloc (void *, __SIZE_TYPE__); void foo (void) { int *ap5 =3D calloc (4, sizeof *ap5); int *ap7 =3D realloc (ap5, sizeof *ap5); } % gcc-12.0.0 -fanalyzer -c a713jhxm.c during IPA pass: analyzer a713jhxm.c:11:14: internal compiler error: in get_or_create_cast, at analyzer/region-model-manager.cc:482 11 | int *ap7 =3D realloc (ap5, sizeof *ap5); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 0x7b2445 ana::region_model_manager::get_or_create_cast(tree_node*, ana::sva= lue const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model-manager.cc:482 0x7b2445 ana::region_model_manager::get_or_create_cast(tree_node*, ana::sva= lue const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model-manager.cc:480 0x12aa4a8 ana::region_model_manager::maybe_fold_sub_svalue(tree_node*, ana::svalue const*, ana::region const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model-manager.cc:736 0x12aa4a8 ana::region_model_manager::get_or_create_sub_svalue(tree_node*, ana::svalue const*, ana::region const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model-manager.cc:811 0x12ce905 ana::binding_cluster::get_any_binding(ana::store_manager*, ana::region const*) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/store.cc:1477 0x1286d56 ana::region_model::get_store_value(ana::region const*, ana::region_model_context*) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model.cc:1986 0x129c96f update_model =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/region-model-impl-calls.cc:710 0x126027b ana::feasibility_state::maybe_update_for_edge(ana::logger*, ana::exploded_edge const*, ana::rejected_constraint**) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/engine.cc:4513 0x1e1c1e1 ana::epath_finder::process_worklist_item(ana::feasible_worklist*, ana::trimmed_graph const&, ana::feasible_graph*, ana::exploded_node const*, unsigned int, ana::exploded_path**) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/diagnostic-manager.cc:493 0x1e1cf80 ana::epath_finder::explore_feasible_paths(ana::exploded_node cons= t*, char const*, unsigned int) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/diagnostic-manager.cc:414 0x1e1d726 ana::saved_diagnostic::calc_best_epath(ana::epath_finder*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/diagnostic-manager.cc:720 0x1e220ef ana::dedupe_winners::add(ana::logger*, ana::epath_finder*, ana::saved_diagnostic*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/diagnostic-manager.cc:1026 0x1e1ebbd ana::diagnostic_manager::emit_saved_diagnostics(ana::exploded_gra= ph const&) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/diagnostic-manager.cc:1175 0x126c693 ana::impl_run_checkers(ana::logger*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/engine.cc:5730 0x126d56e ana::run_checkers() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/engine.cc:5787 0x125c2a8 execute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_p20220116/work/gcc-12-20220116/gcc/an= alyzer/analyzer-pass.cc:87=